If you want to make your own mind up on the 1982 Nakano v Singleton sprint final click on the links below
Round 1
http://www.youtube.com/watch?v=OY78yS0sjbQ
Round 2/re-run
http://www.youtube.com/watch?v=rzLdyxDSK2I
Round 3 - The final crash
http://www.youtube.com/watch?v=Mx_5pQSWdRY